1. Pittsburgh Molecular Library Screening Center, Department of Pharmacology, University of Pittsburgh Drug Discovery Institute, University of Pittsburgh, Pittsburgh, PA.
2. Department of Pharmaceutical Sciences, University of Pittsburgh, Pittsburgh, PA.
3. The Penn Center for Molecular Discovery, University of Pennsylvania, Philadelphia, PA.
4. Burnham Institute for Medical Research, La Jolla, CA.
5. San Diego Center for Chemical Genomics, Burnham Institute for Medical Research, La Jolla, CA.